PL109673B1 - Apparatus for signalling and protecting truck mounted crane boom against entering the electric field - Google Patents

Apparatus for signalling and protecting truck mounted crane boom against entering the electric field Download PDF

Info

Publication number
PL109673B1
PL109673B1 PL18990776A PL18990776A PL109673B1 PL 109673 B1 PL109673 B1 PL 109673B1 PL 18990776 A PL18990776 A PL 18990776A PL 18990776 A PL18990776 A PL 18990776A PL 109673 B1 PL109673 B1 PL 109673B1
Authority
PL
Poland
Prior art keywords
measuring
crane
capacitive
amplifier
electric field
Prior art date
Application number
PL18990776A
Other languages
English (en)
Polish (pl)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of PL109673B1 publication Critical patent/PL109673B1/pl

Links

Landscapes

  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electronic Switches (AREA)
  • Jib Cranes (AREA)
PL18990776A 1975-05-27 1976-05-27 Apparatus for signalling and protecting truck mounted crane boom against entering the electric field PL109673B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUEI000621 HU169993B (it) 1975-05-27 1975-05-27

Publications (1)

Publication Number Publication Date
PL109673B1 true PL109673B1 (en) 1980-06-30

Family

ID=10995957

Family Applications (1)

Application Number Title Priority Date Filing Date
PL18990776A PL109673B1 (en) 1975-05-27 1976-05-27 Apparatus for signalling and protecting truck mounted crane boom against entering the electric field

Country Status (8)

Country Link
BG (1) BG40819A3 (it)
CS (1) CS229608B2 (it)
DD (1) DD124566A1 (it)
HU (1) HU169993B (it)
PL (1) PL109673B1 (it)
RO (1) RO71930A (it)
SU (1) SU730320A3 (it)
YU (1) YU39541B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8623843D0 (en) * 1986-10-03 1987-10-21 Airtech Ltd Detection of unsafe voltages on mobile equipment

Also Published As

Publication number Publication date
YU128276A (en) 1982-05-31
HU169993B (it) 1977-03-28
YU39541B (en) 1984-12-31
CS229608B2 (cs) 1984-04-16
SU730320A3 (ru) 1980-04-25
RO71930A (ro) 1982-07-06
BG40819A3 (en) 1987-02-16
DD124566A1 (it) 1977-03-02

Similar Documents

Publication Publication Date Title
US9272626B2 (en) Devices and methods for the safe driving, charging and energy recovery operation of an electric vehicle
US9739829B2 (en) Residual-current-operated protective arrangement, charging apparatus and method for checking a residual-current-operated protective device
US6600426B1 (en) Alarm system for detecting hazards due to power transmission lines
JP7496613B2 (ja) 電気保護装置
PL109673B1 (en) Apparatus for signalling and protecting truck mounted crane boom against entering the electric field
JP3164992B2 (ja) 誘導障害防止接地設備
CN205788663U (zh) 可拆卸式线路近电报警器
US2874337A (en) Method of and means for detecting electrical circuit faults
US3852641A (en) Protective system for mobile electric power apparatus
CN115616321A (zh) 一种电磁兼容性监测方法及系统
CN212433366U (zh) 用于确定电缆发生接地故障的装置及系统
CN211391010U (zh) 电瓶车用电监测装置及系统
Pham et al. Operational and safety considerations in designing a light rail DC traction electrification system
JPH05211708A (ja) 高圧作業者監視装置
Pham et al. Operational and safety considerations for light rail DC traction electrification system design
CN114114069A (zh) 用于确定电缆发生接地故障的装置及系统
CN105743222A (zh) 配电柜控制系统
CA2198412C (en) Protection circuit and method for an electromagnetic interference suppression system
KR102585619B1 (ko) 비접촉식 통전 경보시스템 및 경보방법
RU2161098C1 (ru) Способ обеспечения электробезопасности пассажиров электротранспорта с незаземленным корпусом и устройство для его реализации
EP3850376B1 (en) System for checking the electrical insulation in converters for electric cars
RU2255404C2 (ru) Устройство для определения однофазных замыканий на землю в воздушных сетях с изолированной нейтралью
JP3081425U (ja) 踏切保安システム
CN210608519U (zh) 一种电机保护装置及电机保护系统
JP3079262U (ja) 踏切保安システム